Most volcanoes erupt both effusively and explosively, with explosive behaviour being responsible for most human fatalities. Eruption style is thought to be strongly controlled by fast conduit processes, limiting our ability for prediction. Here we address a critical question in the quest to develop ...
Where both eruptive styles exist with a single eruption phase, a common eruptive trend is from explosive to effusive activity (Fig.2). A plot using the known durations of eruptive periods and occurrence of a climactic eruption (VEI ≥ 4 in this instance), within these periods (containing...
The eruption started June 42011, and the studied volcanic material corresponds to that collected in Argentine territory at different distances from the source, between 4 and 12 June 2011. The explosive-effusive volcanic process of the first days occurred with the simultaneous emplacement of lava ...
We also define a 'critical condition' for the full set of initial parameters under which a transition in eruption style, from effusive to explosive or the reverse, is more likely to occur. Under these conditions, small heterogeneities in the water or crystal content of the magma, or small ...
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Oikawa (2014), The spectrum of basaltic feeder systems from effusive lava eruption to explosive eruption at Miyakejima volcano, Japan. Bull. Volcanol. 76:797, DOI 10.1007/s00445-014-0797-7Geshi N, Oikawa T (2014) The spectrum of basaltic feeder systems from effusive lava eruption to ...
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Explosivity during the 2010 eruption was enhanced by the presence of a 'plug' of cooled magma within the shallow magma plumbing system, which acted to hinder degassing, leading to overpressure prior to initial explosive activity.doi:10.1007/s00445-016-1046-zPreece, Katie...
Fujibayashi, N. and Sakai U. 2003. Vesiculation and eruption processes of submarine effusive and explosive rocks from the Middle Miocene Ogi basalt, Sado Island, Japan: Explosive Subaqueous Volcanism, Amer. Geophys. Union Monograph, v. 140, p. 259-272....
The eruption started June 4th 2011, and the studied volcanic material corresponds to that collected in Argentine territory at different distances from the source, between 4 and 12 June 2011. The explosive-effusive volcanic process of the first days occurred with the simultaneous emplacement of lava ...